Zip file added in case you are still having issues. If you're on OS X, can't you just use the command line though?
Anyway, it's been added to the original post.
James
Many thanks! James.
I don't know how to use command line to to un-gz. Terminials isnt' a place I dare to wander :

Alwalys afraid to screw up my files (that I am quite capable of messing things up)